65451624042 has 32 divisors (see below), whose sum is σ = 157477593600. Its totient is φ = 17716228848.

The previous prime is 65451624031. The next prime is 65451624151. The reversal of 65451624042 is 24042615456.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41008992 + ... + 41010587.

It is an arithmetic number, because the mean of its divisors is an integer number (4921174800).

Almost surely, 2^65451624042 is an apocalyptic number.

65451624042 is an abundant number, since it is smaller than the sum of its proper divisors (92025969558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65451624042 is a wasteful number, since it uses less digits than its factorization.

65451624042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82019610.

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 65451624042 in words is "sixty-five billion, four hundred fifty-one million, six hundred twenty-four thousand, forty-two".